11011120011 has 6 divisors (see below), whose sum is σ = 15904951140. Its totient is φ = 7340746668.

The previous prime is 11011120009. The next prime is 11011120019. The reversal of 11011120011 is 11002111011.

It is not a de Polignac number, because 11011120011 - 2¹ = 11011120009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1223457779 = 11011120011 / (1 + 1 + 0 + 1 + 1 + 1 + 2 + 0 + 0 + 1 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 11011119975 and 11011120002.

It is not an unprimeable number, because it can be changed into a prime (11011120019) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611728881 + ... + 611728898.

It is an arithmetic number, because the mean of its divisors is an integer number (2650825190).

Almost surely, 2^11011120011 is an apocalyptic number.

11011120011 is a deficient number, since it is larger than the sum of its proper divisors (4893831129).

11011120011 is a wasteful number, since it uses less digits than its factorization.

11011120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223457785 (or 1223457782 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11011120011 its reverse (11002111011), we get a palindrome (22013231022).

The spelling of 11011120011 in words is "eleven billion, eleven million, one hundred twenty thousand, eleven".